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Which property of fossils allows scientists to determine the relative ages of rock layers?
A sedimentary rock layer in its original position is older than the layers above it and younger than the layers below it
Fossils show change over time as species evolve.
the law of superposition
fossil record
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
by determining the positions of fossils in many different rock layers
by ages and physical similarities
1,2 and 3
The fossil record contains fossils from many geologic ages. Fossils enable scientists to piece together what ancient organisms looked like. Which of these answers best describes how fossils in the fossil record are classified?
A sedimentary rock layer in its original position is older than the layers above it and younger than the layers below it
Fossils show change over time as species evolve.
the law of superposition
fossil record
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
by determining the positions of fossils in many different rock layers
by ages and physical similarities
1,2 and 3
Which type of evidence acts as a record of changes in species over time and indicates major changes in Earth’s surface and climate?
A sedimentary rock layer in its original position is older than the layers above it and younger than the layers below it
Fossils show change over time as species evolve.
the law of superposition
fossil record
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
by determining the positions of fossils in many different rock layers
by ages and physical similarities
1,2 and 3
How do scientists use fossils to determine the relative ages of rock layers?
A sedimentary rock layer in its original position is older than the layers above it and younger than the layers below it
Fossils show change over time as species evolve.
the law of superposition
fossil record
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
by determining the positions of fossils in many different rock layers
by ages and physical similarities
1,2 and 3
What is the law of superposition?
A sedimentary rock layer in its original position is older than the layers above it and younger than the layers below it
Fossils show change over time as species evolve.
the law of superposition
fossil record
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
by determining the positions of fossils in many different rock layers
by ages and physical similarities
1,2 and 3
Fossils of the same plants and animal species have been found on continents that are separated by the Atlantic Ocean. Which of the following statements does this observation support?
A sedimentary rock layer in its original position is older than the layers above it and younger than the layers below it
Fossils show change over time as species evolve.
the law of superposition
fossil record
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
by determining the positions of fossils in many different rock layers
by ages and physical similarities
1,2 and 3
Mr. Van listed the following four topics on the board. 1. relationships between extinct and living organisms 2. ancestors of living organisms 3. ways that groups of species are related 4. genetic similarities and differences between extinct and mo
A sedimentary rock layer in its original position is older than the layers above it and younger than the layers below it
Fossils show change over time as species evolve.
the law of superposition
fossil record
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
by determining the positions of fossils in many different rock layers
by ages and physical similarities
1,2 and 3
A geologist is studying three layers of sedimentary rock in an area. The layers have not shifted from their original positions. The geologist records the relative ages of the rocks. The bottom layer is listed as the oldest. The top layer is listed as
A sedimentary rock layer in its original position is older than the layers above it and younger than the layers below it
Fossils show change over time as species evolve.
the law of superposition
fossil record
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
by determining the positions of fossils in many different rock layers
by ages and physical similarities
1,2 and 3
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